O, Yeah! Ultimate Aerosmith Hits is a greatest hits album by American hard rock band Aerosmith, released in 2002 (see 2002 in music) by Columbia Records and Geffen Records. A double-disc album, it includes 28 of the band's biggest hits in chronological order and spans the band's entire career up to 2002. Also included are two new songs, "Girls of Summer" and "Lay it Down". O, Yeah! has since been certified double platinum. Noticeable on the corners of album cover are the different variations of the Aerosmith logo used throughout the band's career. O, Yeah! was re-released as The Essential Aerosmith in September 2011.